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[交流] 【求助】聚碳酸酯的热导率范围是什么啊？

如题：聚碳酸酯的热导率范围是多少啊？
谢谢!

[ Last edited by yogidan on 2008-6-24 at 12:44 ]

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Polycarbonate
Physical Properties
Density (ρ) 1200-1220 kg/m³
Abbe number (V) 34.0
Refractive index (n) 1.584-6
Flammability V0-V2
Limiting oxygen index 25-27%
Water absorption - Equilibrium(ASTM) 0.16-0.35%
Water absorption - over 24 hours 0.1%
Radiation resistance Fair
Ultraviolet (1-380nm) resistance Fair
Mechanical Properties
Young's modulus (E) 2-2.4 GPa
Tensile strength (σt) 55-75 MPa
Compressive strength (σc) >80 MPa
Elongation (ε) @ break 80-150%
Poisson's ratio (ν) 0.37
Hardness - Rockwell M70
Izod impact strength 600-850 J/m
Notch test 20-35 kJ/m²
Abrasive resistance - ASTM D1044 10-15 mg/1000 cycles
Coefficient of friction (μ) 0.31
Thermal Properties
Melting temperature (Tm) 267 °C*
Glass transition temperature(Tg) 150 °C
Heat deflection temperature - 10 kN (Vicat B)[citation needed] 145 °C
Heat deflection temperature - 0.45 MPa 140 °C
Heat deflection temperature - 1.8 MPa 128-138 °C
Upper working temperature 115-130 °C
Lower working temperature -135 °C
Linear thermal expansion coefficient (α) 65-70 × 10-6/K
Specific heat capacity (c) 1.2-1.3 kJ/kg·K
Thermal conductivity (k) @ 23 °C 0.19-0.22 W/(m·K)
Heat transfer coefficient (h) 0.21 W/(m²·K)
Electrical Properties
Dielectric constant (εr) @ 1 MHz 2.9
Permittivity (ε) @ 1 MHz 2.568 x10-11 F/m
Relative permeability (μr) @ 1 MHz 0.866(2)
Permeability (μ) @ 1 MHz 1.089(2) μN/A²
Dielectric strength 15-67 kV/mm
Dissipation factor @ 1 MHz 0.01
Surface resistivity 1015 Ω/sq
Volume resistivity (ρ) 1012-1014
更详细的内容，告诉你一个网址：http://en.wikipedia.org/wiki/Polycarbonate，自己去查。